Explore Movie Vocabulary
Learn English with movies. Discover how much of a movie’s vocabulary you already know and review unfamiliar words before watching.
When Worlds Collide
Unique vocabulary and phrases by level
How difficult is When Worlds Collide in English?
When Worlds Collide: 61.1% A1–A2 vocabulary; 18.2% B2, C1, and rare vocabulary. Vocabulary size: 1,339.
Unique vocabulary
- For A2 learners: 30.3% of unique vocabulary is above A2 or marked rare. Expect substantial preparation; start with short scenes and English subtitles.
- For B1 learners: 18.2% of unique vocabulary is above B1 or marked rare. Preview recurring words and use English subtitles.
- For B2 learners: 11.5% of unique vocabulary is above B2 or marked rare. Preview recurring words and use English subtitles.
8.6% Unclassified. Unclassified vocabulary has no reliable level assignment.
Vocabulary weighted by word occurrences
88.7% A1–A2 vocabulary; 4.9% B2, C1, and rare vocabulary; 2.5% Unclassified.
This counts repeated eligible words. Phrases are excluded from this calculation to avoid counting their component words twice.
Recurring words and phrases to preview
- fuel (B1): 12 occurrences in available subtitles.
Subtitle example:
we will conserve fuel by using a mile-long slide to give us impetus.
- theory (B1): 10 occurrences in available subtitles.
Subtitle example:
I, too, believe in theories, Doctor,
- attention (B1): 9 occurrences in available subtitles.
Subtitle example:
[announcer] Attention, new arrivals.
- planet (B1): 9 occurrences in available subtitles.
Subtitle example:
Bronson's second discovery, a new planet.
- suppose (B1): 7 occurrences in available subtitles.
English meaning: To think something is probably true, or to imagine a possible situation.
Subtitle example:
And suppose they were built.
Compare with titles in similar genres
- Lockout: 18.1% B2, C1, and rare vocabulary (0.0 percentage points less than When Worlds Collide).
- Infinite: 17.4% B2, C1, and rare vocabulary (0.7 percentage points less than When Worlds Collide).
- District 9: 17.2% B2, C1, and rare vocabulary (0.9 percentage points less than When Worlds Collide).
These percentages describe vocabulary, not the proportion of dialogue you will understand. CEFR labels are estimates, not official film ratings. Accent, speed, songs, context, and your own vocabulary also affect comprehension. Repeated occurrences may include repeated dialogue or lyrics.
How we estimate vocabulary difficulty · Evidence generated: